Post Offices List in North Haven City, Connecticut:
| North Haven Carrier Annex Post Office | 10 Middletown Ave, North Haven, CT 06473 |
| North Haven Post Office | 74 Washington Ave, North Haven, CT 06473 |
| North Haven Carrier Annex Post Office | 10 Middletown Ave, North Haven, CT 06473 |
| North Haven Post Office | 74 Washington Ave, North Haven, CT 06473 |